# 获取用户输入的语文、数学、英语成绩
chinese = float(input("请输入语文成绩: "))
math = float(input("请输入数学成绩: "))
english = float(input("请输入英语成绩: "))

# 计算最高分
highest_score = max(chinese, math, english)
# 计算最低分
lowest_score = min(chinese, math, english)
# 计算平均分
average_score = (chinese + math + english) / 3

# 打印结果
print(f"最高分是: {highest_score} 分")
print(f"最低分是: {lowest_score} 分")
print(f"平均分是: {average_score:.2f} 分")